In the early days of Windows XP and Windows 7, Microsoft allowed manufacturers to "brand" the system properties window. For Lenovo, this meant creating a small, standardized image—the oemlogo.bmp . While simple in design, this file represented the transition of the IBM ThinkPad line into the Lenovo era. According to historical OEM configuration files , this tiny image was often paired with an Oeminfo.ini file that contained support hours and URLs for the hardware manufacturer. The Technical Ritual
To complete the OEM branding, you can add a text file. lenovo oem logo bmp 120x120
The story of the is a nostalgic trip through the golden era of PC customization, where a tiny 120x120 pixel BMP file served as the digital fingerprint of a computer's identity. The Genesis of the Digital Badge In the early days of Windows XP and
The technical requirements for a Lenovo OEM boot logo are strict. To ensure compatibility with the UEFI firmware and Windows bootloader, the image must be a standard BMP (Bitmap) format. Specifically, it should be a 24-bit or 32-bit depth file. While 120x120 pixels is the legacy standard for small-scale branding, modern high-resolution displays sometimes scale this image, making pixel-perfect dimensions critical to avoid blurring or distortion during the handoff from BIOS to the Windows loading circle. According to historical OEM configuration files , this
Do you have a different size requirement for a different brand? Let me know in the comments below.
Fix: Ensure the file is exactly oemlogo.bmp (not oemlogo.bmp.bmp ). In File Explorer, make sure "File name extensions" is checked.
You can deploy this logo across multiple Lenovo devices using Group Policy: